Fired up for the first time, how to keep it running?

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  • IanDMacDonald
    XS-XJ Super Guru
    • Oct 2010
    • 3917
    • Grand Blanc & Fenton, MI
    #76
    1.7 ohms is within the tolerance range. The caps are the boots the sparkplugs plug into. Should see upto 25k across them with the boots on (each coil). And, the plugs do not "un-plug", they screw off. Grab the plug wire firmly, and unscrew the plug cap.

    I know u cleaned your carbs, but did you make sure your idle screw tips were not broke?
    Last edited by IanDMacDonald; 02-27-2015, 11:29 AM.
    1979 XS1100F
    2H9 Mod, Truck-Lite LED Headlight, TECHNA-FIT S/S Brake Lines, Rear Air Shocks, TKAT Fork Brace, Dyna DC-I Coils, TC Fuse Block, Barnett HD Clutch Springs, Superbike Handlebars, V-Star 650 ACCT, NGK Irridium Plugs, OEM Exhaust. CNC-Cut 2nd Gear Dogs; Ported/Milled Head; Modded Airbox: 8x8 Wix Panel Filter; #137.5 Main Jet, Viper Yellow Paint, Michelin Pilot Activ F/R, Interstate AGM Battery, 14MM MC, Maier Fairing, Cree LED Fog Lights.

      Comment

      • oakback
        XSive
        • Jul 2014
        • 69
        • Tallahassee, FLA.
        #77
        I'm getting 14.3 across each pair with caps removed.

        I'm not sure what the idle screw tips are, I'll research and get back to you.
        80 G

          Comment

          • oakback
            XSive
            • Jul 2014
            • 69
            • Tallahassee, FLA.
            #78
            I don't remember what they looked like when I had it apart, I'll pull them out tonight or this weekend and see.
            80 G

              Comment

              • ekim
                XSive
                • Jun 2013
                • 106
                • Carson City NV - no longer in San Jose, CA.
                #79
                Remember to keep your battery topped up during all this testing and diagnostic work. the battery is under a drain whenever the key is on. The charging system doesn't kick in until the motor is running at 2500 rpm. Put it on a trickle charge (2 amp or less) between troubleshooting sessions.
                Keep at it. These guys are the masters and WILL get you going.
                1980 XS1100 Standard (G)
                Original Owner
                Stock plus:
                K&N air filter, Supertrapp 4x1, Techna-fit SS brake lines, TC Fuse Block, TKAT Fork Brace
                ...dirt and grime from several states.
                -------------------
                2011 FJR1300
                1978 SR500

                  Comment

                  • oakback
                    XSive
                    • Jul 2014
                    • 69
                    • Tallahassee, FLA.
                    #80
                    Battery is dead, I've been jumping it from my car. I didn't want to waste money on a new battery if the engine ended up been trash.
                    80 G

                      Comment

                      • IanDMacDonald
                        XS-XJ Super Guru
                        • Oct 2010
                        • 3917
                        • Grand Blanc & Fenton, MI
                        #81
                        Originally posted by ekim
                        Remember to keep your battery topped up during all this testing and diagnostic work. the battery is under a drain whenever the key is on. The charging system doesn't kick in until the motor is running at 2500 rpm. Put it on a trickle charge (2 amp or less) between troubleshooting sessions.
                        Keep at it. These guys are the masters and WILL get you going.
                        In the case of resistsnce measuring, voltage should not be supplied. Other than checking voltage to the coils, you should be good. Did you check voltage across the battety before, and during crank?
                        1979 XS1100F
                        2H9 Mod, Truck-Lite LED Headlight, TECHNA-FIT S/S Brake Lines, Rear Air Shocks, TKAT Fork Brace, Dyna DC-I Coils, TC Fuse Block, Barnett HD Clutch Springs, Superbike Handlebars, V-Star 650 ACCT, NGK Irridium Plugs, OEM Exhaust. CNC-Cut 2nd Gear Dogs; Ported/Milled Head; Modded Airbox: 8x8 Wix Panel Filter; #137.5 Main Jet, Viper Yellow Paint, Michelin Pilot Activ F/R, Interstate AGM Battery, 14MM MC, Maier Fairing, Cree LED Fog Lights.

                          Comment

                          • oakback
                            XSive
                            • Jul 2014
                            • 69
                            • Tallahassee, FLA.
                            #82
                            Did you check voltage across the battety before, and during crank?
                            I charge it for 10 hours, and it might crank the engine for 3 seconds. Pretty sure it's dead.
                            80 G

                              Comment

                              • IanDMacDonald
                                XS-XJ Super Guru
                                • Oct 2010
                                • 3917
                                • Grand Blanc & Fenton, MI
                                #83
                                Lol, I hope you understsnd that with these bikes being TCI-based, and not points & condensors, the bike is dependent on a healthy battery. Bad batteries cause funny things.
                                1979 XS1100F
                                2H9 Mod, Truck-Lite LED Headlight, TECHNA-FIT S/S Brake Lines, Rear Air Shocks, TKAT Fork Brace, Dyna DC-I Coils, TC Fuse Block, Barnett HD Clutch Springs, Superbike Handlebars, V-Star 650 ACCT, NGK Irridium Plugs, OEM Exhaust. CNC-Cut 2nd Gear Dogs; Ported/Milled Head; Modded Airbox: 8x8 Wix Panel Filter; #137.5 Main Jet, Viper Yellow Paint, Michelin Pilot Activ F/R, Interstate AGM Battery, 14MM MC, Maier Fairing, Cree LED Fog Lights.

                                  Comment

                                  • DiverRay
                                    Moderator
                                    • Nov 2004
                                    • 7608
                                    • Star, IDAHO
                                    #84
                                    Even jumped, the XS1100 WILL NOT RUN WITH A DEAD BATTERY!! Been there, tried that with a couple of other members here for someone who has since passed. We were working on his bike, and had BIG cable between his battery and the car battery. engine would not start. Bought a new battery, charged it, and bike fired right up.
                                    Ray Matteis
                                    KE6NHG
                                    XS1100 E '78 (winter project)
                                    XS1100 SF Bob Jones worked on it!

                                      Comment

                                      • MPittma100
                                        XS-XJ Guru
                                        • Aug 2011
                                        • 2359
                                        • Atlanta, GA.
                                        #85
                                        Gremlins

                                        Sometimes one or more of the spade terminals inside of a multi-connector plug get damaged beyond repair. Rather than replace both halves of the connector, you can go around the connector by butt connecting the affected wire(s).

                                        The damage is not necessarily caused by dirty connectors, but rather by too much (electrical) resistance caused by poor or improper grounds. The fix for this problem is to ground everything to the battery rather than the chassis. This will cure/end a whole lot of gremlins in these bikes.

                                        Look for battery grounding in the search heading.
                                        1981 XS1100H Venturer
                                        K&N Air Filter
                                        ACCT
                                        Custom Paint by Deitz
                                        Geezer Rectifier/Regulator
                                        Chacal Stainless Steel Braided Brake Lines
                                        Chrome Front Rotor & Caliper Covers
                                        Stebel Nautilus Horn
                                        EBC Front Rotors
                                        Limie Accent Moves On In 2015

                                        Mike

                                          Comment

                                          • oakback
                                            XSive
                                            • Jul 2014
                                            • 69
                                            • Tallahassee, FLA.
                                            #86
                                            Originally posted by DiverRay
                                            Even jumped, the XS1100 WILL NOT RUN WITH A DEAD BATTERY!! Been there, tried that with a couple of other members here for someone who has since passed. We were working on his bike, and had BIG cable between his battery and the car battery. engine would not start. Bought a new battery, charged it, and bike fired right up.
                                            Good to know! I'll see about getting a battery ASAP.
                                            80 G

                                              Comment

                                              • oakback
                                                XSive
                                                • Jul 2014
                                                • 69
                                                • Tallahassee, FLA.
                                                #87
                                                Originally posted by IanDMacDonald
                                                I know u cleaned your carbs, but did you make sure your idle screw tips were not broke?
                                                Here they are:

                                                80 G

                                                  Comment

                                                  • IanDMacDonald
                                                    XS-XJ Super Guru
                                                    • Oct 2010
                                                    • 3917
                                                    • Grand Blanc & Fenton, MI
                                                    #88
                                                    Hmm. The pic could be fuzzy, but the tips all look broken.
                                                    1979 XS1100F
                                                    2H9 Mod, Truck-Lite LED Headlight, TECHNA-FIT S/S Brake Lines, Rear Air Shocks, TKAT Fork Brace, Dyna DC-I Coils, TC Fuse Block, Barnett HD Clutch Springs, Superbike Handlebars, V-Star 650 ACCT, NGK Irridium Plugs, OEM Exhaust. CNC-Cut 2nd Gear Dogs; Ported/Milled Head; Modded Airbox: 8x8 Wix Panel Filter; #137.5 Main Jet, Viper Yellow Paint, Michelin Pilot Activ F/R, Interstate AGM Battery, 14MM MC, Maier Fairing, Cree LED Fog Lights.

                                                      Comment

                                                      • oakback
                                                        XSive
                                                        • Jul 2014
                                                        • 69
                                                        • Tallahassee, FLA.
                                                        #89
                                                        I got it running.

                                                        I pulled the pilots again. I didn't realize there was a hole in the non-slotted end. Cleaned that and reassembled. Cranked right up, even idles on its own. Got a lot of fuel/rich smoke, but at this point I don't care, I'm just really excites it runs.
                                                        80 G

                                                          Comment

                                                          • bikerphil
                                                            Master of XSology
                                                            • Jan 2008
                                                            • 8640
                                                            • South Flori-DUH
                                                            #90
                                                            Originally posted by IanDMacDonald
                                                            Hmm. The pic could be fuzzy, but the tips all look broken.
                                                            The idle mixture screws for years 80 and up look like the ones in the above picture, they are not the pointed type of the earlier carbs.
                                                            2H7 (79) owned since '89
                                                            3H3 owned since '06

                                                            "If it ain't broke, modify it"

                                                            ☮

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